carbide hobs

Carbide Hobs

Our company manufactures various alloy rolling cutters for different applications, including straight-tooth hobs, helical-tooth hobs, worm gear hobs, spline hobs, grinding hobs, and synchronous belt wheel hobs. We can customize suitable types of hobs based on different machining requirements.

LMM Group is one of the few companies with a complete industrial chain from the production of high-end raw material tungsten carbide powder to the production of cemented carbide and deep processing of cemented carbide and has a complete production-university-research base.

Our company can customize all tools in the field of metal cutting according to customer needs.

Precision complex tool hob series

 

Tool material: Carbide

Outer dimensions: outer diameter Φ10 ~Φ80; maximum length 650

Tool standard: GB / T6 084, DIN3968

Keyway structure: axial keyway, single-end keyway, double-end keyway

Cutting occasions: wet cutting, dry cutting; soft cutting, hard cutting; high speed, high efficiency

Manufacture modulus range: m0.1~m4 modulus system m; diameter control DP; pitch system CP

Manufacturing range of tooth shape: involute, non-involute

 

Tooth Profile Includes

 

Addendum, Dedendum, Profile Correction, Fillet Radius, Full Form, etc. Pre-shaving Hob, Pre-grinding Hob, Pre-skiving Hob, Involute Spline Hob. Full-Form Gear Hob, Multi-start Gear Hob, Sprocket Hob, Rectangular Spline Hob, Triangular Spline Hob, and Serration Hob.

 

1)12K Series High-Speed STS Dry Cutting Hob

 

The base material is solid tungsten cobalt alloy sintered from imported tungsten powder

Bore type hob, BALINIT®ALCRONA PRO coating

The high-speed gear hobbing, highly efficient optimal selection

Recommended linear speed 150m/min-300m/min

Recommended hob feed 0.5-0.8 mm/r

Dry and oil cooling cutting environment

The recommended hardness of processed material <HRC45°

Accuracy class DINAA, DINAAA

Specification-overall Dimensions Surface Treatment
External Diameter Internal Diameter Length
Unit(mm) Unit(mm) Unit(mm)
≤ψ25 ψ8 ≤L30 Cleaning-sandblasting

Edge Passivation

PVD Coating

ψ25 ψ10, ψ13 ≤L50
ψ25~ψ40 ψ13 ≤L60
ψ40 ψ16 ≤L80

ψ32*ψ13*L50 is the most conventional overall dimension

 

2) 409 Series High-speed HTS Cutting Hob

 

The base material is solid tungsten cobalt alloy sintered from imported tungsten powder

Bore type hob, BALINIT®ALTESA coating

The high-speed gear hobbing, high hardness optimal selection

Recommended linear speed 150 m/min-220m/min

Recommended hob feed 0.15-0.35 mm/r

Oil cooling cutting environment

Recommended hardness of processed material from HRC45° to HRC62

(Secondary fine hobbing is recommended for HRC56 to HRC62

Accuracy class DINAA, DINAAA

 

Specification-overall Dimensions Surface Treatment
External Diameter Internal Diameter Length
Unit(mm) Unit(mm) Unit(mm)
≤ψ25 ψ8 ≤L30 Cleaning-sandblasting

Edge Passivation

PVD Coating

ψ25 ψ10, ψ13 ≤L50
ψ25~ψ40 ψ13 ≤L60
ψ40 ψ16 ≤L80
Other customized large-format dimensions for hard-cutting

ψ32*ψ13*L50 is the most conventional overall dimension

 

 

 

 

 

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The main supplier of cemented carbide products in the world